| Business | Phone |
| Advanced Water Reclamation Fac 4605 Bethelview Rd, Cumming 30040 | (770) 781-2007 |
| Cumming Maintenance Dept 301 Old Buford Rd, Cumming 30040 | (770) 781-2019 |
| Cumming Maintenance Dept 301 Veterans Memorial Blvd, Cumming 30040 | (770) 781-2019 |
| Cumming Water Plant 935 Dahlonega Hwy, Cumming 30040 | (770) 781-2026 |